Barbecue thermometer



FIG. 1 is a front elevational view of a barbecue thermometer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front and right side perspective view thereof;

FIG. 8 is a rear and left side perspective view thereof;

FIG. 9 is a front and right side perspective view showing the barbecue thermometer in a use state; and,

FIG. 10 is a top, rear and left side perspective view showing the barbecue thermometer in a use state.

The broken lines in the drawings illustrate portions of the barbecue thermometer which form no part of the claimed design. 

CLAIM The ornamental design for a barbecue thermometer, as shown and described. 